Prometheus London - August

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Hi London!

We would like to invite you to our next Prometheus London Meetup! This time we are here just a day before GopherConUK, so all Gophers that are interested in Prometheus ecosystem topics are very welcome to join ❤️

▶︎ Joseph Irving (@jirv500): Going from Statsd/Cloudwatch to one Single Prometheus View

There are a lot of ways to get applications metrics these days but having a huge variety of metrics systems in your stack can make life difficult and complicated. In this talk, Joseph Irving will describe how they (uSwitch) converged on one metrics system, the benefits it brought, and how Thanos allowed them to have a highly available Prometheus set-up spread out across multiple Kubernetes clusters.

▶︎ Ian Billet (@billett_): PromQL for Mere Mortals

PromQL can feel intimidating at first for those new to the Prometheus ecosystem, but it is an essential skill to learn when starting out monitoring and alerting in the Prometheus ecosystem.

In this beginner-focused, demo-driven talk Ian Billett will walk through the thought processes, mental models and coping strategies he uses to tame PromQL and effectively query metrics data.

We will demystify instant vector selectors from range vector selectors, understand how aggregate functions work, and, time-permitting, even touch on some PromQL engine internals.

▶︎ Tom Wilkie (@tom_wilkie): Blazin’ Fast PromQL

PromQL, the Prometheus Query Language, is a concise, powerful and increasingly popular language for querying time series data. But PromQL queries can take a long time when they have to consider >100k series and months of data. Even with Prometheus’ compression, a 90-day query over 200k series can touch ~100GB of data.

In this talk, we will present a series of techniques employed by Cortex (a CNCF project for clustered Prometheus) for accelerating PromQL queries - namely query results caching, time slice parallelisation, aggregation sharding, and automatic recoding rule substitutions.

But there’s more: we will show how you can use this technology to get these improvements with Thanos and Prometheus.

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If you'd like to give a talk at the future Prometheus meetups, we are always looking for speakers and speaker mentors that want to share their experience while using Prometheus. Do not hesitate to get in touch!

Twitter: @PrometheusLDN
Email: [masked]

P.S. We are always looking for sponsors - and venues! - as well. So if you know someone that can help us with the food/beverage budget, we'll be happy to add the name to our sponsors' list. Thank You!

Hosted 🏢 By:
Lush https://uk.lush.com/

Sponsored 🍻🍷🍪🍕 By:
Lush https://uk.lush.com/

✍️ Feedback:
Meetup.com or [masked]

🍻 Post Event Social - John Snow

(Just around the corner from Lush offices)

If you can't make it to the main event (working late, stuck on the waitlist, that big date) please join all the attendees in the pub for some refreshments. It's a great place to socialize, discuss talks and just hang out with us 🤓.